Let me give you a tip use M= y1-y2/x1-x2 to find the slope with to points
Answer:

Step-by-step explanation:

The answer is 21.9
Hope this helps good luckkk :)
Answer:
C. 15
Step-by-step explanation:
Small triangle is similar to larger one so we can use the similarity ratio to solve the question:
CE/CA = DE/AB
4/12 = 5/AB cross multiply expressions
4AB = 60 divide both sides by 4
AB = 15